Homebrew_PCBs

At 01:42 PM 24/06/03, you wrote:

>really interesting how this all fits together...
>i did not exactly know what vinegar is chemicaly of.

vinegar is also called acetic acid. Fairly mild as fair as acids go.

>i did not know any bacteria is able to "digest" alcohol.
>nice to learn things with the help of google..

Much easier to find people to digest alcohol ;-]
Alcohols are just long chain sugars so there are things
that can eat it but the stronger it is the fewer organisms
there are that tolerate it.

>.. I'm wondering why vinegar works so good on ink...
>does it work better than the alcohol it was before?
>you may get some more concentrated (and purer) vinegar acid if you need...

To give you an idea of how well it cuts the old ink, you can literally scrub
a print head with 70 or 99% isopropyl alcohol and have the towels come
away clean. Then just take the vinegar soaked towel and do it again and
it will come away soaked in ink. Never had to buy any vinegar other than
plain old white household vinegar.

The printer I have at home is an Epson 880 and about once a year it gets
"flossed"
and the print quality difference is just amazing.

>being a chemist sure would be an interesting job, to know al this things
>exactly...

Not a chemist, was told about this from an old typewriter repair guy and tired
it on a inkjet.

if it wiggles its biology, if it stinks its chemistry and if it doesn't
work its physics...

Dave